The areas I am looking at are Overbrook, Drexel Hill, Bala Cynwyd, Upper Darby, and Roxborough (open to more suggestions!).

The Intelligent Investor is a great book for investing overall as well, it is less real estate focused and more macro level.

Understand rent levels and occupancy throughout the year.  

Some lenders may indeed put your note into default since recreational marijuana is still considering illegal on the federal level.

I decided to go the conventional route because with my savings at the time and my extremely average income level, that's what made sense to get me into a duplex.Hope this helps in some way!

If you are putting in mid-level finishes, such as laminate countertops, don't use a comp with high-end finishes such as quartz countertops.Step 5 - What you choose as your target acquisition cost formula depends on your and your business model and is not an industry standard. 

You keep learning and graduate from apprentice level to journeyman level (in German "Geselle").

What usually survives after this "readjustment to the world" is an understanding that thinking bigger is necessary to live at a higher level, BUT not everyone who lives at 1x is a fool or worthless being.Read it with appropriate caution, then read Speed of Trust, the Go-Giver, and The Millionaire Real Estate Investor. 

In turn, they help me succeed at a high level!

@Kano Wu, building on Scott's comment previously, you need to run a very precise due diligence regarding the SRT regulations, both at Township and HOA level.